CN218895403U - Burner and gas stove - Google Patents

Abstract

The utility model discloses a burner and a gas stove, wherein the burner comprises: an air distribution plate; the fire cover assembly is covered on the gas distribution plate and a plurality of annular gas distribution channels which are concentrically arranged are defined between the fire cover assembly and the gas distribution plate; wherein, at least two annular gas distribution channels which are adjacently arranged are communicated through a flow passage. According to the burner provided by the embodiment of the utility model, the number of the annular gas distribution channels is increased on the basis that the number of the injection channels of the burner assembly is not increased, and the two adjacently arranged annular gas distribution channels are communicated by the flow passage, so that the mixed gas of fuel gas and air can flow to the annular gas distribution channels, and the mixed gas is uniformly distributed in the whole plane range, the cooking utensil is ensured to be uniformly heated in the cooking process, and the cooking effect is improved.

Description

Burner and gas stove

Technical Field

The utility model relates to the technical field of gas equipment, in particular to a combustor and a gas stove.

Background

The furnace end subassembly of related art gas-cooker has two and draws the passageway, and the fire lid is the dicyclo that corresponds the intercommunication with two and draws the passageway and go out the fire structure, and the inner ring load is less, and the outer ring bears the main load, is flameless vacuum zone between the inner and outer ring, and cooking utensil can't realize even being heated in the cooking process, seriously influences the culinary art effect.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present utility model is to provide a burner, which can uniformly distribute a gas mixture of gas and air, ensure that a cooking appliance can be heated uniformly during a cooking process, and improve a cooking effect.

The utility model also provides a gas stove with the burner.

According to an embodiment of the first aspect of the present utility model, a burner includes: an air distribution plate; the fire cover assembly is covered on the gas distribution plate and a plurality of annular gas distribution channels which are concentrically arranged are defined between the fire cover assembly and the gas distribution plate; the annular gas distribution channels are communicated through the flow passage channels.

According to the burner provided by the embodiment of the utility model, the number of the annular gas distribution channels is increased on the basis that the number of the injection channels of the burner assembly is not increased, and the two adjacently arranged annular gas distribution channels are communicated by the flow passage, so that the mixed gas of fuel gas and air can flow to the annular gas distribution channels, and the mixed gas is uniformly distributed in the whole plane range, the cooking utensil is ensured to be uniformly heated in the cooking process, and the cooking effect is improved.

In addition, the burner according to the above embodiment of the present utility model may have the following additional technical features:

according to some embodiments of the utility model, the plurality of the through-flow channels are arranged at intervals in the circumferential direction of the corresponding annular gas dividing channel.

According to some embodiments of the utility model, the plurality of annular gas distribution channels include a first annular gas distribution channel, a second annular gas distribution channel arranged outside the first annular gas distribution channel, and a third annular gas distribution channel arranged outside the second annular gas distribution channel, wherein the gas distribution disc is provided with a first gas inlet part and a second gas inlet part, the first gas inlet part is communicated with the first annular gas distribution channel, the second gas inlet part is communicated with the second annular gas distribution channel, and the flow passage is communicated with the second gas inlet part and the third annular gas distribution channel.

In some embodiments, the gas distribution plate comprises: an air dividing seat; the gas distribution cover is arranged on the gas distribution seat, a first annular gas distribution channel and a second annular gas distribution channel are defined between the gas distribution cover and the fire cover component, and a third annular gas distribution channel is defined between the gas distribution seat, the peripheral wall of the gas distribution cover and the fire cover component.

In some embodiments, the gas distributing cover is provided with a plurality of gas passing portions, and the gas passing portions are communicated with the second gas inlet portion and the second annular gas distributing channel and are distributed at intervals along the circumferential direction of the second annular gas distributing channel.

In some examples, the gas passing portion includes a first gas passing hole and the first gas passing hole forms a bar-shaped hole extending along a circumferential direction of the second gas inlet portion.

In some examples, the gas passing portion includes a plurality of second gas passing holes and the plurality of second gas passing holes are arranged at intervals in a circumferential direction of the second gas inlet portion.

In some examples, the flow area of the overgas portion diverges from the second inlet portion to the second annular gas separation channel.

In some specific embodiments, the gas distributing seat is provided with a bottom wall and a peripheral wall, the middle part of the bottom wall of the gas distributing seat is provided with an opening, the gas distributing cover comprises a top plate and first to fourth annular coamings, and the first to fourth annular coamings are arranged on the top plate and are concentrically arranged in sequence from inside to outside; the first annular coaming and the second annular coaming are positioned in the opening, a part of the first air inlet part and a part of the first annular air distribution channel are defined between the first annular coaming and the second annular coaming, the second air inlet part is defined by the second annular coaming and the opening edge, the second annular air distribution channel is defined by the top plate and the fire cover component, and the third annular air distribution channel is defined by the fourth annular coaming, the peripheral wall of the air distribution seat and the fire cover component.

In some examples, the gas distribution cover and the gas distribution seat define a plurality of the flow channels therebetween and the plurality of flow channels are located between the third annular shroud and the fourth annular shroud.

According to a further embodiment of the utility model, the fire cover assembly comprises a plurality of concentrically arranged annular fire-out portions, and the plurality of annular fire-out portions are communicated with the plurality of annular gas separation channels in a one-to-one correspondence.

A gas range according to an embodiment of the second aspect of the present utility model includes the burner according to the above-described embodiment.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic view of a burner according to an embodiment of the present utility model;

FIG. 2 is a structural cross-sectional view of the burner shown in FIG. 1;

FIG. 3 is a schematic view of the structure of a gas distribution plate of the burner shown in FIG. 1;

FIG. 4 is a bottom view of the gas distribution plate shown in FIG. 3;

FIG. 5 is a structural cross-sectional view of the gas distribution plate shown in FIG. 3;

FIG. 6 is a schematic view of the structure of the gas distributing seat of the gas distributing tray shown in FIG. 3;

FIG. 7 is a schematic view of a burner according to another embodiment of the present utility model;

FIG. 8 is a top view of a gas distribution plate of the combustor shown in FIG. 7;

FIG. 9 is a top view of a gas distribution plate of the combustor shown in FIG. 7;

FIG. 10 is a schematic view of a burner according to yet another embodiment of the present utility model;

fig. 11 is a schematic structural view of a gas distribution plate of the burner shown in fig. 10.

Reference numerals:

a burner 100, a first annular gas-dividing passage 101, a second annular gas-dividing passage 102, a third annular gas-dividing passage 103, a flow-through passage 104,

the air distribution plate 10, the first air inlet part 111, the second air inlet part 112, the ventilation opening 113,

the gas distribution base 121, the opening 1211, the first connecting hole 1213, the second connecting hole 1214, the first fastener 1215, the second fastener 1216, the recess 1217,

the gas distributing cover 122, the gas passing portion 1220, the first annular enclosing plate 1221, the second annular enclosing plate 1222, the third annular enclosing plate 1223, the fourth annular enclosing plate 1224, the top plate 1225,

the fire cover assembly 20, the annular fire outlet 201,

burner assembly 30.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

A burner 100 according to an embodiment of the present utility model is described below with reference to fig. 1-11.

As shown in fig. 1 to 3, the burner 100 according to the embodiment of the present utility model includes a gas distribution plate 10 and a fire cover assembly 20, wherein the fire cover assembly 20 is covered on the gas distribution plate 10, and a plurality of annular gas distribution channels are defined between the fire cover assembly 20 and the gas distribution plate 10, and the plurality of annular gas distribution channels not only can divide the gas mixture of the fuel gas and the air, but also can break up the gas mixture, so that the gas mixture of the fuel gas and the air is more uniform.

Wherein, a plurality of annular gas-dividing channels are arranged concentrically, and at least two annular gas-dividing channels arranged adjacently are communicated through a flow passage 104. The flow passage 104 may be in direct communication with the annular gas separation passage or may be in indirect communication with the annular gas separation passage.

According to the burner 100 of the embodiment of the utility model, the number of annular gas distribution channels is increased on the basis of not increasing the number of injection channels of the burner assembly, and two adjacent annular gas distribution channels are communicated by the flow passage 104, so that the mixed gas of fuel gas and air can flow to the annular gas distribution channels, and the mixed gas is uniformly distributed in the whole plane range, the cooking utensil is ensured to be uniformly heated in the cooking process, and the cooking effect is improved.

It is understood that the number of annular gas separation passages may be three or more.

In an embodiment in which the number of the annular gas separation channels is three, the annular gas separation channel located at the outer side is communicated with the annular gas separation channel located at the middle part through the flow passage 104.

In the embodiment in which the number of the annular gas distribution channels is four, two annular gas distribution channels located in the middle are communicated through the flow passage 104, and the annular gas distribution channel located at the outermost side is communicated with the annular gas distribution channel located in the middle through the flow passage 104, so that three annular gas distribution channels located at the outer side are communicated.

As shown in fig. 3, a plurality of flow channels 104 are arranged at circumferentially spaced intervals in the corresponding annular gas distribution channel, according to some embodiments of the utility model.

Specifically, among the adjacent two annular gas-dividing passages, the annular gas-dividing passage located on the inner side communicates with the annular gas-dividing passage located on the outer side through the plurality of through-flow passages 104, so that the annular gas-dividing passage located on the inner side can flow from a plurality of directions to the annular gas-dividing passage located on the outer side, or so that the annular gas-dividing passage located on the outer side can flow from a plurality of directions to the annular gas-dividing passage located on the inner side.

Therefore, through the arrangement of the plurality of through-flow channels 104, the flow efficiency of the mixed gas can be improved, the uniformity of the distribution of the mixed gas can be ensured, the cooking appliance can be uniformly heated in the cooking process, and the cooking effect is improved.

As shown in fig. 2-3, according to some embodiments of the present utility model, the plurality of annular gas distribution channels includes a first annular gas distribution channel 101, a second annular gas distribution channel 102, and a third annular gas distribution channel 103, the second annular gas distribution channel 102 being disposed outside of the first annular gas distribution channel 101, the third annular gas distribution channel 103 being disposed outside of the second annular gas distribution channel 102.

That is, the first annular gas separation channel 101, the second annular gas separation channel 102, and the third annular gas separation channel 103 are arranged in this order from inside to outside, so that the first annular gas separation channel 101 forms an inner annular gas separation channel, the second annular gas separation channel 102 forms an intermediate annular gas separation channel, and the third annular gas separation channel 103 forms an outer annular gas separation channel.

The gas distribution plate 10 has a first gas inlet 111 and a second gas inlet 112, the first gas inlet 111 communicates with the first annular gas distribution channel 101, the second gas inlet 112 communicates with the second annular gas distribution channel 102, and the gas passage 104 communicates with the second gas inlet 112 and the third annular gas distribution channel 103.

The mixture of the fuel gas and the air may enter the gas distribution tray 10 from the first and second gas inlet portions 111 and 112, respectively, and the mixture entering from the first gas inlet portion 111 may flow along the first annular gas distribution channel 101 to flow to a designated area.

A part of the mixture gas entering from the second air intake portion 112 may flow along the second annular gas separation channel 102 so as to flow to a specified region, and another part of the mixture gas entering from the second air intake portion 112 may flow along the flow passage 104 into the third annular gas separation channel 103 so as to flow to a specified region.

The mixture gas entering from the second air intake portion 112 may enter the third annular gas separation channel 103 so as to flow to the specified region, and a part of the mixture gas in the third annular gas separation channel 103 may flow along the flow passage 104 to the second annular gas separation channel 102 so as to flow to the specified region.

The burner assembly of the gas stove in the related technology is provided with two injection channels, and the fire cover is a double-ring fire outlet structure correspondingly communicated with the two injection channels.

Compared with the related art, through setting up first annular minute gas channel 101, second annular minute gas channel 102 and third annular minute gas channel 103, utilize the passageway 104 intercommunication second annular minute gas channel 102 and third annular minute gas channel 103 of crossing, on the basis of not increasing the injection passageway's of furnace end subassembly quantity, make the gas mixture of gas and air flow to first annular minute gas channel 101, second annular minute gas channel 102 and third annular minute gas channel 103 through first inlet portion 111 and second inlet portion 112, thereby evenly distributed in whole plane scope, guarantee that cooking utensil can realize even heating in the cooking process, promote the culinary art effect.

As shown in fig. 3-6, in some embodiments, the gas distribution plate 10 includes a gas distribution base 121 and a gas distribution cover 122, the gas distribution cover 122 is disposed on the gas distribution base 121, a first annular gas distribution channel 101 and a second annular gas distribution channel 102 are defined between the gas distribution cover 122 and the fire cover assembly 20, and a third annular gas distribution channel 103 is defined between the gas distribution base 121, an outer peripheral wall of the gas distribution cover 122 and the fire cover assembly 20.

The gas distribution plate 10 has a simple structure, is easy to process and mold, the gas distribution plate 10 is arranged into the structure, and the first annular gas distribution channel 101, the second annular gas distribution channel 102 and the third annular gas distribution channel 103 can be defined by utilizing the structures of the gas distribution plate 10 and the fire cover assembly 20, so that the uniformity of gas mixture distribution is ensured, the cooking utensil can be uniformly heated in the cooking process, and the cooking effect is improved.

As shown in fig. 3-4 and fig. 8-11, in some embodiments, the air dividing cover 122 is provided with a plurality of air passing portions 1220, the air passing portions 1220 are communicated with the second air inlet 112 and the second annular air dividing channel 102, and the air passing portions 1220 are arranged at intervals along the circumferential direction of the second annular air dividing channel 102.

Therefore, through the arrangement of the plurality of gas passing portions 1220, the gas passing portions 1220 can enter the second annular gas distribution channel 102, so that the gas inflow of the second annular gas distribution channel 102 in unit time can be increased, the efficiency of the mixed gas entering the second annular gas distribution channel 102 can be improved, the uniformity of the mixed gas distribution in the second annular gas distribution channel 102 can be ensured, the cooking utensil can be further ensured to be heated uniformly in the cooking process, and the cooking effect can be improved.

As shown in fig. 10 and 11, in some examples, the gas passing portion 1220 includes a first gas passing hole forming a bar-shaped hole extending in the circumferential direction of the second gas inlet portion 112, which is easy to process, and can secure the amount of gas passing per unit time, thereby improving the gas passing efficiency.

As shown in fig. 3-4 and fig. 8-9, in some examples, the air passing portion 1220 includes a plurality of second air passing holes, and the plurality of second air passing holes are arranged at intervals in the circumferential direction of the second air inlet portion 112, so that the number of the second air passing holes can be increased, the fuel gas and the air can be fully mixed, and the uniformity of the distribution of the mixed gas in the second annular air dividing channel 102 is further ensured, so that the cooking appliance can be uniformly heated in the cooking process, and the cooking effect is improved.

The second air passing holes can be round holes, square holes and the like.

In some examples, the flow area of the overgas portion 1220 diverges from the second gas inlet portion 112 to the second annular gas separation channel 102. That is, the flow area of the gas passing portion 1220 gradually increases in the flow direction of the mixture gas.

Specifically, a part of the mixture gas entering from the second air intake portion 112 may flow upward so as to enter the second annular gas separation channel 102 through the plurality of gas passing portions 1220, and another part flows along the gas passing channel 104 toward the third annular gas separation channel 103.

Because the flow area of the gas passing portion 1220 is gradually expanded from the second gas inlet portion 112 to the second annular gas dividing channel 102, the mixed gas passing through the position can be pressurized and slowed down, so that the fullness of the mixed gas in the space between the second gas inlet portion 112 and the gas passing portion 1220 is improved, the mixed gas is finally uniformly distributed in the second annular gas dividing channel 102, the gas mixing amount of the second annular gas dividing channel 102 and the third annular gas dividing channel 103 can be further effectively divided, the mixed gas is further ensured to be uniformly distributed in the whole plane range, the cooking utensil can be uniformly heated in the cooking process, and the cooking effect is improved.

In some embodiments, the gas distribution base 121 has a bottom wall and a peripheral wall, the middle of the bottom wall of the gas distribution base 121 has an opening 1211, the gas distribution cover 122 includes a top plate 1225, a first annular shroud 1221, a second annular shroud 1222, a third annular shroud 1223, and a fourth annular shroud 1224, the first annular shroud 1221, the second annular shroud 1222, the third annular shroud 1223, and the fourth annular shroud 1224 are provided on the top plate 1225, and the first annular shroud 1221, the second annular shroud 1222, the third annular shroud 1223, and the fourth annular shroud 1224 are concentrically arranged in order from inside to outside.

Wherein, first annular shroud 1221 and second annular shroud 1222 are located in opening 1211, first annular shroud 1221 and second annular shroud 1222 define a portion of first inlet portion 111 and first annular gas distribution channel 101 therebetween, second annular shroud 1222 and opening 1211 border define second inlet portion 112, top plate 1225 and fire cover assembly 20 define second annular gas distribution channel 102, and fourth annular shroud 1224 and the peripheral wall of gas distribution seat 121, fire cover assembly 20 define third annular gas distribution channel 103.

Thus, by arranging the gas distributing seat 121 and the gas distributing cover 122 in the above structure and matching with the fire cover assembly 20, the space can be divided by using the structures of the gas distributing seat 121, the gas distributing cover 122 and the fire cover assembly 20, and finally the first annular gas distributing channel 101, the second annular gas distributing channel 102 and the third annular gas distributing channel 103 are defined, so that the structure is simple, the molding is convenient, and the implementation is easy.

In some examples, the plurality of overair portions 1220 are provided to the top plate 1225 and are arranged at intervals in the circumferential direction of the top plate 1225.

In some examples, a plurality of flow channels 104 are defined between the gas distribution cover 122 and the gas distribution seat 121, the plurality of flow channels 104 being located between the third annular shroud 1223 and the fourth annular shroud 1224.

Specifically, as shown in fig. 6, the upper surface of the bottom wall of the gas distribution base 121 is provided with a plurality of grooves 1217, the plurality of grooves 1217 are spaced apart in the circumferential direction of the opening 1211, each groove 1217 extends in the radial direction of the opening 1211, one end in the length direction of the groove 1217 extends to the opening 1211, and the other end in the length direction of the groove 1217 extends to the inner surface of the peripheral wall of the gas distribution base 121. A gas distribution cover 122 is provided on the gas distribution base 121, the gas distribution cover 122 covering a portion of the recess 1217 to define a plurality of flow channels 104 therebetween.

In some embodiments, the gas distribution cover 122 and the gas distribution base 121 are separately formed and connected together.

Specifically, the gas distributing disc 10 and the gas distributing seat 121 may be connected by using a first fastener 1215, and the gas distributing disc 10 and the gas distributing seat 121 may also be connected by using a clamping manner.

Therefore, the gas distributing cover 122 and the gas distributing seat 121 are respectively and independently molded, so that the gas distributing cover and the gas distributing seat are detachably connected, the maintenance is convenient, the structure of the die can be simplified, and the production cost is reduced.

As shown in fig. 4 and 6, in the present embodiment, a plurality of first connection holes 1213 are provided on the air distribution base 121, a plurality of first fitting holes are provided on the air distribution cover 122, the plurality of first fitting holes are arranged at intervals in the circumferential direction of the air distribution cover 122, the number of the first connection holes 1213 is equal to that of the first fitting holes, the plurality of first connection holes 1213 are in one-to-one correspondence with the plurality of first fitting holes, the air distribution base 121 and the air distribution cover 122 are connected through a plurality of first fastening pieces 1215, and each first fastening piece 1215 is arranged through the corresponding first connection hole 1213 and the first fitting hole.

In other embodiments, the gas distribution cover 122 is integrally formed with the gas distribution base 121. By integrally molding the gas distributing cover 122 and the gas distributing seat 121, not only the number of components can be reduced and the connecting piece between the two can be omitted, the assembly process can be simplified, but also the connection reliability of the two can be improved.

In some embodiments, the gas distribution plate 10 has a plurality of ventilation openings 113, the plurality of ventilation openings 113 are spaced apart in a circumferential direction, the plurality of ventilation openings 113 are located between the second annular gas distribution channel 102 and the third annular gas distribution channel 103, the plurality of ventilation openings 113 are spaced apart in a circumferential direction of the second annular gas distribution channel 102, air can flow at the plurality of ventilation openings 113, and when gas is ignited at a designated area, air at the ventilation openings 113 can supplement air for the gas so that the gas can be sufficiently combusted.

As shown in fig. 1 and 7, according to a further embodiment of the present utility model, the fire cover assembly 20 includes a plurality of annular fire discharging parts 201, the plurality of annular fire discharging parts 201 are concentrically arranged, the plurality of annular fire discharging parts 201 are communicated with a plurality of annular gas dividing channels in one-to-one correspondence, and the mixed gas of the fuel gas and the air in the plurality of annular gas dividing channels can flow out from the plurality of annular fire discharging parts 201, so that a plurality of annular flame zones are finally formed, the cooking appliance can be uniformly heated in the cooking process, and the cooking effect is improved.

Specifically, as shown in fig. 1-2, in the present embodiment, a first annular gas distribution channel 101, a second annular gas distribution channel 102, and a third annular gas distribution channel 103 are defined between the fire cover assembly 20 and the gas distribution plate 10, the second annular gas distribution channel 102 is provided outside the first annular gas distribution channel 101, and the third annular gas distribution channel 103 is provided outside the second annular gas distribution channel 102.

Further, the top of the fire cover assembly 20 is provided with three annular fire discharging parts 201, the three annular fire discharging parts 201 are concentrically arranged from inside to outside, the annular fire discharging part 201 positioned at the inner side corresponds to and is communicated with the first annular gas distribution channel 101, the annular fire discharging part 201 positioned at the middle part corresponds to and is communicated with the second annular gas distribution channel 102, and the annular fire discharging part 201 positioned at the outer side corresponds to and is communicated with the third annular gas distribution channel 103.

Wherein the gas distribution plate 10 is coupled to the fire cover assembly 20 by a second fastener 1216.

Specifically, the gas distributing seat 121 of the gas distributing plate 10 is provided with a plurality of second connecting holes 1214, the fire cover assembly 20 is provided with a plurality of second matching holes, the plurality of second matching holes are circumferentially spaced apart from the fire cover assembly 20, the number of the second connecting holes 1214 is equal to that of the second matching holes, the positions of the plurality of second connecting holes 1214 and the plurality of second matching holes are in one-to-one correspondence, the gas distributing plate 10 and the fire cover assembly 20 are connected together through a plurality of second fastening pieces 1216, and each second fastening piece 1216 penetrates through the corresponding second connecting hole 1214 and the corresponding second matching hole.

In some embodiments, the burner 100 further includes a burner assembly 30, the gas distribution plate 10 is mounted on the burner assembly 30, the burner assembly 30 has a first injection passage, a second injection passage, a first gas mixing chamber and a second gas mixing chamber, the first gas mixing chamber is in communication with the first gas inlet portion 111 and the first injection passage, and the second gas mixing chamber is in communication with the second gas inlet portion 112 and the second injection passage.

The flame above the fire cover assembly 20 can be controlled by controlling the fuel gas in the first injection channel and the second injection channel, specifically, the mixed gas in the first injection channel can sequentially flow through the first mixing cavity, the first air inlet part 111, the first annular air distribution channel 101 and the annular fire outlet part 201 positioned on the inner side, the mixed gas in the first injection channel can sequentially flow through the second mixing cavity and the second air inlet part 112, a part of the mixed gas flows to the second annular air distribution channel 102, finally flows out from the annular fire outlet part 201 positioned in the middle part, and a part of the mixed gas flows to the third annular air distribution channel 103 along the flow passage 104, and finally flows out from the annular fire outlet part 201 positioned on the outer side.

In this way, when the flame size is adjusted, the size of the flame at the annular flame-out portion 201 located inside can be controlled individually, and for example, when the flame generated by the burner 100 is adjusted from a large flame to a small flame, the flame can be formed at the annular flame-out portion 201 located inside at all times.

When the user adjusts the flame size, the flame size of the annular flame outlet part 201 positioned at the outer side and the middle part can be adjusted simultaneously, so that uniform flame is formed above the flame cover assembly 20, the condition that the temperature difference of the annular flame outlet part 201 positioned at the outer side and the middle part is overlarge is avoided, the heating of the burner 100 to the cooking appliance is influenced, the cooking appliance can be uniformly heated in the cooking process, and the cooking effect is improved.

In some embodiments, the burner assembly 30 is provided with an ignition member (not shown), and the burner assembly 30 can fix the position of the ignition member, so that the ignition member can smoothly ignite the fuel gas, so as to form an annular flame above the burner cap assembly 20.

Specifically, the peripheral wall outer surface of the burner assembly 30 has mounting lugs, and an ignition member is provided on the mounting lugs to provide the ignition member on the burner assembly 30, so that the ignition member can ignite the fuel gas at the annular flame-out portion 201 located at the outer side and the middle portion, thereby enabling flame formation above the burner cap assembly 20.

Thus, by providing the mounting lugs, the position of the ignition member relative to the mounting lugs can be quickly determined when the ignition member is mounted to the burner assembly 30 to quickly and accurately position the ignition member on the burner assembly 30.

The ignition piece is located in one of the ventilation openings 113, so that the ignition piece is arranged between the second annular gas distribution channel 102 and the third annular gas distribution channel 103, and then the ignition piece can be arranged between the annular gas outlet portions 201 located on the outer side and the middle portion, the ignition piece can smoothly ignite the fuel gas only when the oxygen content in the fuel gas is sufficient, the ignition piece is arranged in the ventilation opening 113, so that the oxygen content near the ignition piece is ensured, the success rate of igniting the fuel gas by the ignition piece is improved, the fuel gas can be ignited smoothly, and flame is formed above the fire cover assembly 20.

A gas range according to an embodiment of the present utility model is described below.

A gas range (not shown in the drawings) according to an embodiment of the present utility model includes the burner 100 according to the above-described embodiment.

The burner 100 according to the embodiment of the present utility model has the above technical effects, so that the gas stove according to the present utility model also has the above technical effects, that is, the number of annular gas distribution channels is increased on the basis of not increasing the number of injection channels of the burner assembly, and two adjacent annular gas distribution channels are communicated by the through-flow channel 104, so that the mixture of gas and air can flow to the plurality of annular gas distribution channels, and thus the mixture is uniformly distributed in the whole plane range, the cooking appliance can be uniformly heated in the cooking process, and the cooking effect is improved.

Other constructions and operation of burners and gas cookers according to embodiments of the present utility model are known to those of ordinary skill in the art and will not be described in detail herein.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more. In the description of the utility model, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other by another feature therebetween.

In the description of the utility model, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (12)

1. A burner, comprising:

an air distribution plate;

the fire cover assembly is covered on the gas distribution plate and a plurality of annular gas distribution channels which are concentrically arranged are defined between the fire cover assembly and the gas distribution plate;

the annular gas distribution channels are communicated through the flow passage channels.

2. The burner of claim 1 wherein a plurality of said flow-through passages are spaced circumferentially about the respective annular gas-dividing passage.

3. The burner of claim 1, wherein the plurality of annular gas distribution passages includes a first annular gas distribution passage, a second annular gas distribution passage disposed outside the first annular gas distribution passage, a third annular gas distribution passage disposed outside the second annular gas distribution passage,

the gas distribution plate is provided with a first gas inlet part and a second gas inlet part, the first gas inlet part is communicated with the first annular gas distribution channel, the second gas inlet part is communicated with the second annular gas distribution channel, and the flow passage is communicated with the second gas inlet part and the third annular gas distribution channel.

4. A burner according to claim 3, wherein the gas distribution plate comprises:

an air dividing seat;

the gas distribution cover is arranged on the gas distribution seat, a first annular gas distribution channel and a second annular gas distribution channel are defined between the gas distribution cover and the fire cover component, and a third annular gas distribution channel is defined between the gas distribution seat, the peripheral wall of the gas distribution cover and the fire cover component.

5. The burner of claim 4, wherein the gas distributing cover is provided with a plurality of gas passing portions, and the gas passing portions are communicated with the second gas inlet portion and the second annular gas distributing channel and are distributed at intervals along the circumferential direction of the second annular gas distributing channel.

6. The burner of claim 5, wherein the gas passing portion includes a first gas passing hole and the first gas passing hole forms a strip-shaped hole extending in a circumferential direction of the second gas inlet portion.

7. The burner of claim 5, wherein the gas passing portion includes a plurality of second gas passing holes and the plurality of second gas passing holes are arranged at intervals in a circumferential direction of the second gas inlet portion.

8. The burner of claim 5, wherein the flow area of the overgas portion diverges from the second inlet portion to the second annular gas-dividing passage.

9. The burner of claim 4 wherein the gas distribution base has a bottom wall and a peripheral wall, the middle of the bottom wall of the gas distribution base has an opening, the gas distribution cover comprises a top plate, first to fourth annular coamings, the first to fourth annular coamings are provided on the top plate and are concentrically arranged in sequence from inside to outside;

the first annular coaming and the second annular coaming are positioned in the opening, a part of the first air inlet part and a part of the first annular air distribution channel are defined between the first annular coaming and the second annular coaming, the second air inlet part is defined by the second annular coaming and the opening edge, the second annular air distribution channel is defined by the top plate and the fire cover component, and the third annular air distribution channel is defined by the fourth annular coaming, the peripheral wall of the air distribution seat and the fire cover component.

10. The burner of claim 9 wherein a plurality of said flow passages are defined between said gas cap and said gas seat and are located between said third annular shroud and said fourth annular shroud.

11. The burner of any one of claims 1-10, wherein the flame cover assembly includes a plurality of concentrically arranged annular flame-out portions in one-to-one communication with a plurality of the annular gas distribution passages.

12. A gas range comprising a burner according to any one of claims 1-11.

Images